/* Riviera '64 brand themes (shared) */

:root {
    color-scheme: light dark;

    /* Light theme (Riviera giorno) */
    --bg-light: #f8eedb; /* cream background */
    --fg-light: #2f261f; /* dark warm text */
    --muted-light: #7c6f63; /* soft brownish muted */
    --card-light: #fdf7ec; /* slightly lighter card */
    --accent1-light: #d66031; /* Riviera orange */
    --accent2-light: #30747a; /* Riviera teal */
    --border-subtle-light: rgba(120, 92, 63, .32);
    --shadow-light: 0 18px 45px rgba(70, 48, 25, .22);

    /* Dark theme (Riviera notte) */
    --bg-dark: #0c0c0b; /* near-black */
    --fg-dark: #f3e1b8; /* warm light text */
    --muted-dark: #a2afa9; /* soft cool-muted */
    --card-dark: #151514; /* dark card */
    --accent1-dark: #dea32f; /* gold title */
    --accent2-dark: #1d7474; /* deep teal */
    --border-subtle-dark: rgba(243, 225, 184, .28);
    --shadow-dark: 0 18px 55px rgba(0, 0, 0, .7);

    /* Active theme tokens (by default: light) */
    --bg: var(--bg-light);
    --fg: var(--fg-light);
    --muted: var(--muted-light);
    --card: var(--card-light);
    --accent: var(--accent1-light);
    --accent2: var(--accent2-light);
    --border-subtle: var(--border-subtle-light);
    --shadow: var(--shadow-light);

    --radius: 18px;
    --maxw: 880px;
}

/* Force light theme */
:root[data-theme="light"] {
    --bg: var(--bg-light);
    --fg: var(--fg-light);
    --muted: var(--muted-light);
    --card: var(--card-light);
    --accent: var(--accent1-light);
    --accent2: var(--accent2-light);
    --border-subtle: var(--border-subtle-light);
    --shadow: var(--shadow-light);
}

/* Force dark theme */
:root[data-theme="dark"] {
    --bg: var(--bg-dark);
    --fg: var(--fg-dark);
    --muted: var(--muted-dark);
    --card: var(--card-dark);
    --accent: var(--accent1-dark);
    --accent2: var(--accent2-dark);
    --border-subtle: var(--border-subtle-dark);
    --shadow: var(--shadow-dark);
}

/* Auto theme (system) */
@media (prefers-color-scheme: dark) {
    :root[data-theme="auto"],
    :root:not([data-theme]) {
        --bg: var(--bg-dark);
        --fg: var(--fg-dark);
        --muted: var(--muted-dark);
        --card: var(--card-dark);
        --accent: var(--accent1-dark);
        --accent2: var(--accent2-dark);
        --border-subtle: var(--border-subtle-dark);
        --shadow: var(--shadow-dark);
    }
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu;
}

.page {
    min-height: 100%;
    display: grid;
    place-items: center;
    padding: 40px 16px;
    background: radial-gradient(1200px 600px at 20% -10%, rgba(214, 96, 49, .18), transparent 60%),
    radial-gradient(1200px 600px at 120% 110%, rgba(48, 116, 122, .20), transparent 60%);
}

.wrap {
    width: 100%;
    max-width: var(--maxw);
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
}

.badge {
    padding: 4px 10px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .3px;
}

.controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.lang-group,
.theme-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Language select keeps native behavior, but matches card style */
.lang-group select {
    appearance: none;
    background-color: var(--card);
    color: var(--fg);
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 13px;
}

/* Theme segmented control: Auto / Light / Dark */
.theme-toggle {
    display: inline-flex;
    padding: 2px;
    border-radius: 999px;
    border: 1px solid var(--border-subtle);
    background-color: var(--card);
}

.theme-toggle__btn {
    border: none;
    background: transparent;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 12px;
    cursor: pointer;
    color: var(--muted);
    font-weight: 600;
    line-height: 1;
}

.theme-toggle__btn:is(:hover, :focus-visible) {
    outline: none;
    background-color: rgba(0, 0, 0, .04);
}

.theme-toggle__btn.is-active {
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    color: #fff;
}

h1 {
    margin: 10px 0 0;
    font-size: 34px;
    line-height: 1.2;
}

p.lead {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 18px;
}

.card {
    margin-top: 14px;
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 18px;
}

.grid {
    display: grid;
    gap: 14px;
}

@media (min-width: 760px) {
    .grid {
        grid-template-columns: 1.2fr .8fr;
    }
}

.list {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
}

.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    border-radius: 12px;
    padding: 10px 14px;
    font-weight: 700;
}

.btn.primary {
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    color: #fff;
    border: none;
}

.btn.ghost {
    color: var(--fg);
    border: 1px solid var(--border-subtle);
}

footer {
    margin-top: 16px;
    padding-top: 16px;
    color: var(--muted);
    font-size: 14px;
    border-top: 1px dashed var(--border-subtle);
}

.small {
    font-size: 13px;
    color: var(--muted);
}

.mono {
    font-family: ui-monospace, Menlo, Consolas, monospace;
}

.hidden {
    display: none;
}

/* 404 layout helpers */
.center {
    text-align: center;
}

.maxw-720 {
    max-width: 720px;
    margin: 0 auto;
}